<li>
    <?php 
    if(has_post_thumbnail())
    {
    	echo '<a class="postthumbnail" href="'.get_permalink().'" title="'.get_the_title().'">';
    	the_post_thumbnail('thumbnail');
    	echo '</a>';
    }	
    ?>
    <a href="<?php the_permalink();?>" title="<?php the_title();?>" class="title">
    <?php the_title();?>
    </a>
    <span>[<?php echo get_the_date('d/m/Y')?>]</span>
    <p>
    	<?php the_excerpt();?>
    </p>
    <a href="<?php the_permalink();?>" title="<?php the_title();?>" class="read_more">Chi tiết</a>
</li>